Monitor remote logging (#162)

* Added remote logging for monitor

* Legacy line

* Tempaltes

deployment/CONFIGURATION.md

@@ -46,6 +46,7 @@ cp hosts.yml.example hosts.yml
       hosts:
         <host_ip_B>:
           ansible_user: <user>
+          #syslog_server_port: "<protocol>://<ip>:<port>"
 ```
 
 The config above would install the Oracle on `<host_ip_A>`, UI on `<host_ip_C>`, and both Oracle, UI and Monitor on `<host_ip_B>`.

deployment/hosts.yml.example

@@ -16,3 +16,4 @@ sokol-kovan:
       hosts:
         127.0.0.1:
           ansible_user: ubuntu
+          #syslog_server_port: "<protocol>://<ip>:<port>"

deployment/roles/common/files/daemon.json

@@ -1,5 +1,4 @@
 {
-    "disable-legacy-registry": true,
     "live-restore": true,
     "no-new-privileges": true
 }

deployment/roles/monitor/tasks/logging.yml

@@ -0,0 +1,41 @@
+---
+- name: Slurp docker compose file
+  slurp:
+    src: "{{ bridge_path }}/monitor/docker-compose.yml"
+  register: docker_compose_slurp
+
+- name: Parse docker compose file
+  set_fact:
+    docker_compose_parsed: "{{ docker_compose_slurp['content'] | b64decode | from_yaml }}"
+
+- name: Set logger to remote server
+  set_fact:
+    docker_compose_parsed: "{{ docker_compose_parsed |combine({'services': {item: {'logging': {'driver': 'syslog','options': {'tag': '{{.Name}}/{{.ID}}'}}}}}, recursive=True) }}"
+  with_items: "{{ docker_compose_parsed.services }}"
+
+- name: Write new docker-compose file
+  copy:
+    content: "{{ docker_compose_parsed | to_yaml }}"
+    dest: "{{ bridge_path }}/monitor/docker-compose.yml"
+
+- name: Set the local container logs configuration file
+  template:
+    src: 33-monitor-docker.conf.j2
+    dest: /etc/rsyslog.d/33-monitor-docker.conf
+    owner: root
+    group: root
+    mode: 0644
+
+- name: Set the log configuration file to send container logs to remote server
+  template:
+    src: 38-monitor-remote-logging.conf.j2
+    dest: /etc/rsyslog.d/38-monitor-remote-logging.conf
+    owner: root
+    group: root
+    mode: 0644
+  when: syslog_server_port is defined
+
+- name: restart rsyslog
+  service:
+    name: rsyslog
+    state: restarted

deployment/roles/monitor/tasks/main.yml

@@ -1,4 +1,5 @@
 ---
 - include_tasks: pre_config.yml
+- include_tasks: logging.yml
 - include_tasks: jumpbox.yml
 - include_tasks: servinstall.yml

deployment/roles/monitor/templates/33-monitor-docker.conf.j2

@@ -0,0 +1,11 @@
+$FileCreateMode 0644
+template(name="DockerLogFileName_Monitor" type="list") {
+   constant(value="/var/log/docker/")
+   property(name="syslogtag" securepath="replace" regex.type="ERE" regex.submatch="1" regex.expression="monitor_(.*)\\/[a-zA-Z0-9]+\\[")
+   constant(value="/docker.log")
+}
+
+if $programname startswith 'monitor_' then \
+  ?DockerLogFileName_Monitor
+
+$FileCreateMode 0600

deployment/roles/monitor/templates/38-monitor-remote-logging.conf.j2

@@ -0,0 +1,15 @@
+if $programname startswith 'monitor_' then {
+action(
+   type="omfwd"
+   protocol="{{ syslog_server_port.split(":")[0] }}"
+   target="{{ (syslog_server_port.split(":")[1])[2:] }}"
+   port="{{ syslog_server_port.split(":")[2] }}"
+   template="RemoteForwardFormat"
+   queue.SpoolDirectory="/var/spool/rsyslog"
+   queue.FileName="remote"
+   queue.MaxDiskSpace="1g"
+   queue.SaveOnShutdown="on"
+   queue.Type="LinkedList"
+   ResendLastMSGOnReconnect="on"
+   )
+}